puts (%w'sapporo morioka sendai maebashi utsunomiya mito shinjuku yokohama kofu nagoya tsu kanazawa otsu kobe matsuyama takamatsu matsue naha'<<$_)['\xe2\x12I\xd3\xc2\x87cAn\x1c\xccv\xc1\xe7\xc0t1\xb8'.index(chomp.hash%?\xf6)||-1]while gets
Note that non-ascii characters in the above source code will be escaped (such as \x9f).